property Event.Client as Variant
Returns the client area of the event.

TypeDescription
Variant Returns a safe array array of [x,y,width,height] type, relative to the control's top-left corner of the control
The Client property gets the event's client rectangle as a safe array of [x,y,width,height] type, relative to the control's top-left corner. The Client property returns the [0,0,0,0] safe array If the event is not visible.